References for John 3:1

2
This man came to him at night and said to him, "Rabbi, we know that [you are] a teacher who has come from God, for no one is able to perform these signs that you are performing unless God were with him."

References for John 3:3

c3:3 -
The same Greek word can mean either "from above" or "again," which allows for the misunderstanding by Nicodemus here; Jesus was speaking of new birth "from above," while Nicodemus misunderstood him to mean a second physical birth

4
Nicodemus said to him, "How can a man be born [when he] is an old man? He is not able to enter into his mother's womb for the second time and be born, [can he]?"